3v4l.org

run code in 300+ PHP versions simultaneously
<?php function GetFormattedMicroTime($timestamp = false) { return DateTime::createFromFormat('U.','1403538707.')->format('Y-m-d\TH:i:s.u'); } $test = GetFormattedMicroTime(); print_r($test);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0040.01216.50
8.3.50.0140.00522.04
8.3.40.0110.00318.74
8.3.30.0040.01118.84
8.3.20.0050.00320.30
8.3.10.0000.00823.48
8.3.00.0080.00020.81
8.2.180.0110.00718.05
8.2.170.0070.00722.96
8.2.160.0110.00820.43
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0050.00320.84
8.2.110.0070.00321.91
8.2.100.0000.01217.91
8.2.90.0000.00917.88
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00718.16
8.2.30.0060.00318.25
8.2.20.0050.00317.83
8.2.10.0000.00817.99
8.2.00.0040.00417.80
8.1.280.0120.00625.92
8.1.270.0050.00323.96
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00620.56
8.1.230.0030.00821.03
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00817.25
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.01018.48
8.1.160.0030.00521.86
8.1.150.0000.00818.64
8.1.140.0040.00417.41
8.1.130.0050.00317.82
8.1.120.0000.00717.46
8.1.110.0050.00317.49
8.1.100.0060.00317.58
8.1.90.0000.00717.47
8.1.80.0040.00317.44
8.1.70.0060.00017.39
8.1.60.0040.00817.64
8.1.50.0060.00317.59
8.1.40.0000.00817.57
8.1.30.0060.00617.70
8.1.20.0000.00817.70
8.1.10.0070.00017.59
8.1.00.0080.00017.55
8.0.300.0000.00819.98
8.0.290.0090.00017.05
8.0.280.0040.00418.44
8.0.270.0040.00417.12
8.0.260.0000.00818.37
8.0.250.0030.00317.09
8.0.240.0000.00716.98
8.0.230.0030.00617.14
8.0.220.0030.00316.98
8.0.210.0070.00017.03
8.0.200.0030.00317.08
8.0.190.0040.00417.11
8.0.180.0020.00516.98
8.0.170.0030.00617.00
8.0.160.0050.00316.90
8.0.150.0080.00017.06
8.0.140.0040.00416.88
8.0.130.0050.00013.41
8.0.120.0000.00716.86
8.0.110.0000.00716.88
8.0.100.0000.00717.02
8.0.90.0050.00317.06
8.0.80.0110.00417.04
8.0.70.0070.00017.05
8.0.60.0040.00417.05
8.0.50.0070.00016.82
8.0.30.0080.01217.23
8.0.20.0130.00517.40
8.0.10.0000.00717.09
8.0.00.0100.00816.87
7.4.330.0030.00315.00
7.4.320.0060.00016.65
7.4.300.0000.00616.57
7.4.290.0040.00416.69
7.4.280.0060.00316.64
7.4.270.0030.00316.58
7.4.260.0040.00416.66
7.4.250.0030.00516.62
7.4.240.0020.00516.64
7.4.230.0000.00716.71
7.4.220.0030.01416.63
7.4.210.0080.01016.67
7.4.200.0000.00716.71
7.4.190.0030.00316.61
7.4.160.0060.01216.62
7.4.150.0070.01017.40
7.4.140.0160.00817.86
7.4.130.0040.01316.49
7.4.120.0100.00816.62
7.4.110.0110.01116.41
7.4.100.0120.00616.58
7.4.90.0090.00616.66
7.4.80.0060.01219.39
7.4.70.0080.00816.50
7.4.60.0060.00916.46
7.4.50.0030.00616.71
7.4.40.0090.00916.43
7.4.30.0090.00616.69
7.4.00.0120.00714.92
7.3.330.0070.00013.29
7.3.320.0050.00013.18
7.3.310.0000.00716.23
7.3.300.0060.00016.14
7.3.290.0040.01116.33
7.3.280.0080.00816.38
7.3.270.0140.00317.40
7.3.260.0170.00716.50
7.3.250.0100.00816.50
7.3.240.0110.00616.47
7.3.230.0070.01516.67
7.3.210.0140.00316.63
7.3.200.0100.00519.39
7.3.190.0130.00316.59
7.3.180.0100.00716.38
7.3.170.0090.01216.62
7.3.160.0090.00616.56
7.3.120.0050.01214.84
7.3.110.0080.00814.85
7.3.100.0030.01014.53
7.3.90.0130.00315.08
7.3.80.0110.00014.98
7.3.70.0000.01415.06
7.3.60.0060.01014.70
7.3.50.0120.00614.98
7.3.40.0060.00914.89
7.3.30.0040.01014.48
7.3.20.0120.00316.71
7.3.10.0100.00716.39
7.3.00.0090.00616.68
7.2.330.0100.01016.82
7.2.320.0070.01116.36
7.2.310.0090.01016.52
7.2.300.0140.00816.88
7.2.290.0060.01216.48
7.2.250.0100.01015.06
7.2.240.0040.01815.08
7.2.230.0100.00715.15
7.2.220.0000.01415.04
7.2.210.0060.00914.67
7.2.200.0060.01214.79
7.2.190.0060.01015.07
7.2.180.0130.00614.98
7.2.170.0060.01015.16
7.2.00.0100.01019.39
7.1.330.0000.01416.05
7.1.320.0040.01115.68
7.1.310.0120.00315.84
7.1.300.0100.00715.81
7.1.290.0000.01415.77
7.1.280.0060.00315.88
7.1.270.0060.00615.89
7.1.260.0070.01015.73
7.1.100.0130.00918.35
7.1.70.0060.00317.02
7.1.60.0070.01019.46
7.1.50.0070.01717.24
7.1.00.0000.08022.40
7.0.200.0040.00416.65
7.0.140.0070.06722.07
7.0.60.0100.08319.94
7.0.50.0070.03717.98
7.0.40.0000.05020.11
7.0.30.0330.07320.11
7.0.20.0230.06020.33
7.0.10.0300.05020.30
7.0.00.0130.07320.26
5.6.210.0130.07320.51
5.6.200.0070.04318.15
5.6.190.0070.08020.42
5.6.180.3270.04020.44
5.6.170.0370.07020.57
5.6.160.0200.05720.44
5.6.150.0130.07018.28
5.6.140.0070.06718.18
5.6.130.0070.06718.18
5.6.120.0030.04021.09
5.6.110.0100.06720.90
5.6.100.0130.07320.98
5.6.90.0030.05721.13
5.6.80.0070.07720.49
5.6.70.0100.03320.35
5.5.350.0170.08320.31
5.5.340.0130.05017.96
5.5.330.0100.05320.41
5.5.320.0000.04320.28
5.5.310.0230.08320.50
5.5.300.0070.06317.97
5.5.290.0000.04318.07
5.5.280.0030.06020.66
5.5.270.0070.04020.77
5.5.260.0100.07720.76
5.5.250.0070.07320.71
5.5.240.0100.06720.19
5.4.450.0070.06719.17
5.4.440.0200.05319.17
5.4.430.0200.04719.45
5.4.420.0670.00019.46
5.4.410.0170.06019.03
5.4.400.0330.07018.51
5.4.390.0300.05718.51
5.4.380.0100.07018.73
5.4.370.0100.03718.45
5.4.360.0070.05718.72
5.4.350.0070.03812.02
5.4.340.0040.04012.02
5.4.320.0070.03412.50
5.4.310.0070.05312.50
5.4.300.0100.04812.51
5.4.290.0110.05212.50
5.4.280.0070.04012.40
5.4.270.0100.03912.40
5.4.260.0100.03812.39
5.4.250.0110.04812.39
5.4.240.0030.04912.40
5.4.230.0060.04612.39
5.4.220.0100.04912.39
5.4.210.0090.04812.39
5.4.200.0100.04812.39
5.4.190.0090.05412.39
5.4.180.0070.06112.39
5.4.170.0100.05212.39
5.4.160.0060.05112.39
5.4.150.0090.04812.39
5.4.140.0100.05012.07
5.4.130.0140.05412.06
5.4.120.0060.05512.02
5.4.110.0080.04912.01
5.4.100.0110.07712.01
5.4.90.0130.05012.01
5.4.80.0090.06312.01
5.4.70.0200.09212.01
5.4.60.0080.05612.00
5.4.50.0130.06212.01
5.4.40.0080.03912.00
5.4.30.0110.03511.99
5.4.20.0130.04811.99
5.4.10.0100.04912.00
5.4.00.0080.05311.48
5.3.290.0060.03912.80
5.3.280.0090.05512.70
5.3.270.0110.05312.73
5.3.260.0070.05912.72
5.3.250.0070.05012.72
5.3.240.0110.04312.72
5.3.230.0110.05012.71
5.3.220.0060.06112.68
5.3.210.0070.06212.68
5.3.200.0090.06512.68
5.3.190.0110.03912.68
5.3.180.0100.03812.67
5.3.170.0090.03912.67
5.3.160.0060.03912.68
5.3.150.0080.04112.67
5.3.140.0100.06512.66
5.3.130.0130.05212.66
5.3.120.0090.04112.66
5.3.110.0090.04712.66
5.3.100.0100.07512.12
5.3.90.0070.04312.10
5.3.80.0110.05312.09
5.3.70.0030.04712.09
5.3.60.0110.04312.07
5.3.50.0110.04212.02
5.3.40.0100.05212.02
5.3.30.0050.05611.98
5.3.20.0080.05011.76
5.3.10.0050.04111.73
5.3.00.0070.04011.71
5.2.170.0020.0389.22
5.2.160.0070.0319.21
5.2.150.0060.0469.21
5.2.140.0050.0459.21
5.2.130.0070.0419.17
5.2.120.0090.0449.17
5.2.110.0100.0369.18
5.2.100.0050.0429.17
5.2.90.0060.0419.18
5.2.80.0120.0369.17
5.2.70.0060.0549.16
5.2.60.0080.0479.13
5.2.50.0090.0509.10
5.2.40.0120.0469.08
5.2.30.0100.0479.04
5.2.20.0070.0419.04
5.2.10.0110.0398.94
5.2.00.0130.0488.80
5.1.60.0060.0518.08
5.1.50.0060.0438.09
5.1.40.0090.0468.06
5.1.30.0060.0408.41
5.1.20.0080.0388.43
5.1.10.0080.0348.16
5.1.00.0100.0328.16
5.0.50.0070.0276.63
5.0.40.0040.0296.50
5.0.30.0060.0416.31
5.0.20.0050.0286.28
5.0.10.0080.0266.26
5.0.00.0080.0406.25
4.4.90.0040.0254.77
4.4.80.0090.0224.75
4.4.70.0030.0254.75
4.4.60.0020.0254.75
4.4.50.0100.0284.77
4.4.40.0070.0314.71
4.4.30.0050.0214.76
4.4.20.0050.0224.84
4.4.10.0040.0244.85
4.4.00.0040.0364.76
4.3.110.0080.0214.67
4.3.100.0060.0294.66
4.3.90.0050.0244.63
4.3.80.0060.0324.58
4.3.70.0050.0224.63
4.3.60.0020.0234.63
4.3.50.0030.0234.63
4.3.40.0030.0334.54
4.3.30.0000.0293.30
4.3.20.0030.0223.27
4.3.10.0070.0283.24
4.3.00.0000.0276.66

preferences:
39.7 ms | 401 KiB | 5 Q